Band of Brothers is a ten-part, 11-hour television World War II miniseries, originally produced and broadcast in 2001, based on historian Stephen E. Ambrose's 1992 book of the same title. The executive producers were Steven Spielberg and Tom Hanks,Band of Brothers Complete Series DVD who had collaborated on the 1998 World War II film Saving Private Ryan.The episodes first aired in 2001 on HBO. They still run frequently on various TV networks around the world.